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The Chinese dictionary of fractionation is: the mixture of several liquid compounds with different boiling points is separated by gradual heating distillation, and the compound with low boiling point is first put forward, and then the last one is called "fractionation". This method is used to extract volatile oil and heavy oil from petroleum.

The Chinese dictionary of fractionation is: the mixture of several liquid compounds with different boiling points is separated by gradual heating distillation, and the compound with low boiling point is first put forward, and then the last one is called "fractionation". This method is used to extract volatile oil and heavy oil from petroleum. Structure: fractionation (upper and lower structure) (left and right structure). The phonetic notation is: ㄣㄖㄡ _. The pinyin is: fēnliú.

What is the specific explanation of fractionation? We will introduce you through the following aspects:

I. Text Description Click here to view the details of the plan.

Fractionation fünliú. (1) A method for separating mixtures of volatile components with different boiling points; The mixture is distilled at the lowest boiling point, and the distillate is collected as a component until the steam temperature rises. The rise of steam temperature indicates that the next component with higher boiling point in the mixture begins to distill. Then this group was collected separately.

Second, the citation interpretation

1. In the chemical industry, when a liquid contains two or more substances with different volatilities, the liquid is distilled to separate its components from each other.

Third, the network interpretation

Fractionation is a method to separate several mixtures with different boiling points. No new substance is generated in the process, but the original substance is separated, which is a physical change. Fractionation is the process of heating and cooling the mixture, and separating the components in the mixture into relatively pure single substances according to their boiling points. Fractionation is actually repeated distillation, which is more suitable for separating and purifying liquid organic mixtures with similar boiling points. Such as fractionation of coal tar; Fractionation of petroleum When the boiling points of substances are very close, the difference is about 25 degrees, which can be replaced by fractionation instead of simple distillation. The small tower of fractionator can provide large surface area for steam condensation.

Idioms about fractionation

Content is three points like a man and seven points like a ghost. Content is inseparable. Three points like people, seven points like ghosts, and seven points like ghosts.

Words about fractionation

A hundred schools of thought are inseparable, and contentment is always happy.

Sentence-making about fractionation

1, isotope fractionation effect is the main factor affecting the accurate analysis of hydrogen isotopes.

2. Under normal circumstances, deep processing of petroleum is needed to produce marketable petroleum products, but fractionation is still the most important separation method in refineries.

3. The selection of corrosion inhibitor injected into the top of fractionator in gasoline and diesel hydrofining unit is summarized, the corrosion situation of the unit is briefly analyzed, and the countermeasures are put forward.

4. In order to explore the characteristics of carbon isotope fractionation of coal seam methane, samples from Jincheng and Changji areas were collected for canned desorption experiments.

5. Adding slurry scale inhibitor to the fractionation system, and controlling the appropriate slurry quantity and fractionator bottom temperature can effectively prevent coking.

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